题目内容
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
3
3
=| 6 |
| 7 |
| 6 |
| 7 |
分析:根据乘法的意义:求几个相同加数的和的运算叫做乘法,即可解答问题.
解答:解:根据乘法的意义可得:
+
+
=
×3=
,
故答案为:
;3;
.
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 6 |
| 7 |
故答案为:
| 2 |
| 7 |
| 6 |
| 7 |
点评:此题考查了乘法的意义.
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题目内容
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 6 |
| 7 |
| 6 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 2 |
| 7 |
| 6 |
| 7 |
| 2 |
| 7 |
| 6 |
| 7 |